Police cars are usually black and white but don’t have to be. Here is a Riverside County Sheriff’s Department squad car on patrol in Moreno Valley on May 19, 2017. (File photo by Terry Pierson ...

Rank-and-file officers in hundreds of police departments are considerably more white than the communities they serve, according to a New York Times analysis of new federal data.

Among one handful of file cards is a black-and-white police photo of a frightened young man. The record, dated Jan. 9, 1970, includes the man's name, address and fingerprints. It's labeled ...